public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Fabio Estevam <fabio.estevam@freescale.com>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Fabio Estevam <festevam@gmail.com>, <sameo@linux.intel.com>,
	Marek Vasut <marex@denx.de>, <ashish.jangam@kpitcummins.com>,
	<dchen@diasemi.com>, <arnd@arndb.de>, <kernel@pengutronix.de>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] mfd: da9052-core:  Use regmap_irq_get_virq() and fix the probe
Date: Fri, 28 Sep 2012 11:33:24 -0300	[thread overview]
Message-ID: <5065B534.7040602@freescale.com> (raw)
In-Reply-To: <20120928104944.GB30869@opensource.wolfsonmicro.com>

Hi Mark,

Mark Brown wrote:
> On Thu, Sep 27, 2012 at 10:57:38PM -0300, Fabio Estevam wrote:
> 
>> -	da9052->irq_base = regmap_irq_chip_get_base(da9052->irq_data);
>> +	da9052->irq = regmap_irq_get_virq(da9052->irq_data, DA9052_IRQ_ADC_EOM);
>>  
>> -	ret = request_threaded_irq(DA9052_IRQ_ADC_EOM, NULL, da9052_auxadc_irq,
>> +	if (da9052->irq < 0) {
>> +		ret = da9052->irq;
>> +		dev_err(da9052->dev, "regmap_irq_get_virq failed: %d\n", ret);
>> +		goto regmap_err;
>> +	}
>> +
>> +	ret = request_threaded_irq(da9052->irq, NULL, da9052_auxadc_irq,
> 
> This will fix the problem but the usage of da9052->irq here is very odd,
> normally that'd be the primary IRQ for the device but this is actually
> just the interrupt for the ADC.
> 
> Otherwise
> 
> Reviwed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
> 

Would you prefer the version below? If so, I can send it as v3:

diff --git a/drivers/mfd/da9052-core.c b/drivers/mfd/da9052-core.c
index a0a62b2..4f74bf6 100644
--- a/drivers/mfd/da9052-core.c
+++ b/drivers/mfd/da9052-core.c
@@ -782,35 +782,41 @@ int __devinit da9052_device_init(struct da9052 *da9052, u8 chip_id)
 
 	da9052->chip_id = chip_id;
 
-	if (!pdata || !pdata->irq_base)
-		da9052->irq_base = -1;
-	else
-		da9052->irq_base = pdata->irq_base;
-
 	ret = regmap_add_irq_chip(da9052->regmap, da9052->chip_irq,
 				  IRQF_TRIGGER_LOW | IRQF_ONESHOT,
-				  da9052->irq_base, &da9052_regmap_irq_chip,
+				  -1, &da9052_regmap_irq_chip,
 				  &da9052->irq_data);
-	if (ret < 0)
+	if (ret < 0) {
+		dev_err(da9052->dev, "regmap_add_irq_chip failed: %d\n", ret);
 		goto regmap_err;
+	}
 
-	da9052->irq_base = regmap_irq_chip_get_base(da9052->irq_data);
+	da9052->irq = regmap_irq_get_virq(da9052->irq_data, 0);
 
-	ret = request_threaded_irq(DA9052_IRQ_ADC_EOM, NULL, da9052_auxadc_irq,
+	if (da9052->irq < 0) {
+		ret = da9052->irq;
+		dev_err(da9052->dev, "regmap_irq_get_virq failed: %d\n", ret);
+		goto regmap_err;
+	}
+
+	ret = request_threaded_irq(da9052->irq + DA9052_IRQ_ADC_EOM, NULL, 
+				   da9052_auxadc_irq,
 				   IRQF_TRIGGER_LOW | IRQF_ONESHOT,
-				   "adc irq", da9052);
+				   "adc-irq", da9052);
 	if (ret != 0)
 		dev_err(da9052->dev, "DA9052 ADC IRQ failed ret=%d\n", ret);
 
 	ret = mfd_add_devices(da9052->dev, -1, da9052_subdev_info,
 			      ARRAY_SIZE(da9052_subdev_info), NULL, 0, NULL);
-	if (ret)
+	if (ret) {
+		dev_err(da9052->dev, "mfd_add_devices failed: %d\n", ret);
 		goto err;
+	}
 
 	return 0;
 
 err:
-	free_irq(DA9052_IRQ_ADC_EOM, da9052);
+	free_irq(da9052->irq + DA9052_IRQ_ADC_EOM, da9052);
 	mfd_remove_devices(da9052->dev);
 regmap_err:
 	return ret;
@@ -818,7 +824,7 @@ regmap_err:
 
 void da9052_device_exit(struct da9052 *da9052)
 {
-	free_irq(DA9052_IRQ_ADC_EOM, da9052);
+	free_irq(da9052->irq + DA9052_IRQ_ADC_EOM, da9052);
 	regmap_del_irq_chip(da9052->chip_irq, da9052->irq_data);
 	mfd_remove_devices(da9052->dev);
 }
diff --git a/include/linux/mfd/da9052/da9052.h b/include/linux/mfd/da9052/da9052.h
index 0507c4c..f0b259d 100644
--- a/include/linux/mfd/da9052/da9052.h
+++ b/include/linux/mfd/da9052/da9052.h
@@ -99,6 +99,7 @@ struct da9052 {
 	u8 chip_id;
 
 	int chip_irq;
+	int irq;
 };
 
 /* ADC API */


  reply	other threads:[~2012-09-28 14:24 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-28  1:57 [PATCH v2] mfd: da9052-core: Use regmap_irq_get_virq() and fix the probe Fabio Estevam
2012-09-28  6:42 ` Arnd Bergmann
2012-09-28 10:45   ` Fabio Estevam
2012-09-28 11:34     ` Arnd Bergmann
2012-09-28 10:52   ` Mark Brown
2012-09-28 11:35     ` Arnd Bergmann
2012-09-28 10:49 ` Mark Brown
2012-09-28 14:33   ` Fabio Estevam [this message]
2012-09-28 14:29     ` Mark Brown
2012-09-28 15:37       ` Fabio Estevam
2012-09-28 15:51         ` Mark Brown
2012-09-28 20:34           ` Fabio Estevam
2012-10-01 10:22             ` Mark Brown
2012-10-03 16:04               ` Fabio Estevam
2012-10-03 18:08                 ` Mark Brown

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=5065B534.7040602@freescale.com \
    --to=fabio.estevam@freescale.com \
    --cc=arnd@arndb.de \
    --cc=ashish.jangam@kpitcummins.com \
    --cc=broonie@opensource.wolfsonmicro.com \
    --cc=dchen@diasemi.com \
    --cc=festevam@gmail.com \
    --cc=kernel@pengutronix.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=marex@denx.de \
    --cc=sameo@linux.intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox